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math.GN2026
Talagrand compacta, 2DCP, and pointwise quotients
Tomasz Kania, Jerzy Kąkol
We revisit Talagrand's CH compactum as a test object for the two-disjoint-copies property and for pointwise quotient questions. The two-disjoint-copies property, or 2DCP, is a topo…
math.GN2017
Restricting uniformly open surjections
Tomasz Kania, Martin Rmoutil
We employ the theory of elementary submodels to improve a recent result by Aron, Jaramillo and Le Donne (Ann. Acad. Sci. Fenn. Math., to appear) concerning restricting uniformly op…